Strict Standards: call_user_func() expects parameter 1 to be a valid callback, non-static method portfolio_plugin_googledocs::admin_config_form() should not be called statically in /home/fred/www/repositories/testing_master/moodle/lib/portfolio/forms.php on line 205 Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method portfolio_plugin_googledocs::admin_config_validation() should not be called statically in /home/fred/www/repositories/testing_master/moodle/lib/portfoliolib.php on line 813